I was originally running Windows 7 Ultimate x64 on a Packard Bell. I decided to install Ubuntu 12.10 on my computer, used Wubi, and got to the screen where I could choose the OS. However, when I chose Ubuntu, a purple screen pops up. The hard drive DEL blinks, stops, and then the Caps Lock blinks. And then, nothing happens.

I try to use normal CD instead of Wubi and I was able to mount the iso on a USB drive using Universal USB Installer. I can get to the screen where I choose the boot order, select the USB drive, and then I get to a screen where Ubuntu seems to be 'loading' (purple with Ubuntu logo and name in the middle). Then, all of a sudden, I get a "Kernel Panic - Not syncing: fatal exception in interrupt" error message.

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Have you tried Ctrl+Alt+F1? It looks as if your disk is not being read.
–
hexafractionOct 25 '12 at 19:25

Ok, I'll try that and get back to you all on whether or not it worked. Thanks !
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user100889Oct 25 '12 at 19:54

Hey, I was able to mount the iso on a USB drive using Universal USB Installer. I can get to the screen where I choose the boot order, select the USB drive, and then I get to a screen where Ubuntu seems to be 'loading' (purple with Ubuntu logo and name in the middle). Then, all of a sudden, I get a "Kernel Panic - Not syncing: fatal exception in interrupt" error message. My specs : Intel Core 2 Duo CPU T5850 @ 2.16 GHz / 4 GB of ram / Packard Bell computer from 2007. / Windows 7 Ultimate x64 installed. What should I do now ? Thanks for your help.
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user100889Oct 27 '12 at 14:33

If you dint get to the part where you select "Try ubuntu or Install ubuntu", then the installer probably doesnt work(not installed properly on usb drive), make a bootable dvd(its the best method in my opinion,dont forget to write the dvd at minimum speed),if the same problem occurs then it might be a hardware issue.
–
adiOct 30 '12 at 12:48